<h3><a href="/articles/<%=size_news.id%>"><%= size_news.title %></a></h3>
<%= image_tag url_for_file_column(size_news, "image_url","thumb"),:class=>'news' %>
<span class="news_content">
  <%= truncate(size_news.content,100) %>
</span>
<br />
<a href="/articles/<%=size_news.id%>" class="action_more">了解更多</a>

